25441151 has 4 divisors (see below), whose sum is σ = 26547312. Its totient is φ = 24334992.

The previous prime is 25441121. The next prime is 25441153. The reversal of 25441151 is 15114452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25441151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1106137 = 25441151 / (2 + 5 + 4 + 4 + 1 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25441153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553046 + ... + 553091.

It is an arithmetic number, because the mean of its divisors is an integer number (6636828).

Almost surely, 2^25441151 is an apocalyptic number.

25441151 is a deficient number, since it is larger than the sum of its proper divisors (1106161).

25441151 is a wasteful number, since it uses less digits than its factorization.

25441151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106160.

The product of its digits is 800, while the sum is 23.

The square root of 25441151 is about 5043.9221841737. The cubic root of 25441151 is about 294.1116664376. Note that the first 3 decimals are identical.

The spelling of 25441151 in words is "twenty-five million, four hundred forty-one thousand, one hundred fifty-one".